CVE-2019-0541CISA KEV

Microsoft MSHTML Remote Code Execution Vulnerability

Severity unknownCVSS unknownCheck the vendor advisory for fixed versions

CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.

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CISA catalog record

Microsoft MSHTML engine contains an improper input validation vulnerability that allows for remote code execution vulnerability.

Product: MSHTML
Added to KEV: 3 Nov 2021
Federal remediation due: 3 May 2022
Known ransomware use: Not reported

Page history

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Field-level log (2)

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23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete

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Exploitation and risk

Source status

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CVE-2019-0541

Listed in CISA KEV · added 3 Nov 2021 · Microsoft · MSHTML

Microsoft MSHTML engine contains an improper input validation vulnerability that allows for remote code execution vulnerability.

CISA source

No EPSS score is available here for this CVE.

Saved 23 Oct 2026 16:01:26 UTC · View this risk record (JSON)

Risk history

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CVE-2019-0541 · 23 Oct 2026 16:01:26 UTC

Advisory history

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23 Oct 2026 15:48:27 UTC

A remote code execution vulnerability exists in the way that the MSHTML engine inproperly validates input, aka "MSHTML Engine Remote Code Execution Vulnerability." This affects Microsoft Office, Microsoft Office Word Viewer, Internet Explor…

cve-program · CVE-2019-0541 · Published